Globally mobile traffic is about 30 percent of all internet activity. That’s also the case in North America. There are roughly 2 billion PCs in the world and more than 5 billion mobile devices. Thus it is inevitable that both mobile internet traffic and mobile search will ultimately surpass the PC globally. Still when it happens it will be sobering and perhaps even a shock to some who still see mobile as a kind of secondary channel. Get the full story at Search Engine Land Read also "10 key takeaways from meet the search engines @ SMX West" at Search Engine Land